Ruediger Schweitzer

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Weinheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pipe fitting for drilling
- Patent number 5,975,117
- Issue date Nov 2, 1999
- Friatec Aktiengesellschaft
- Ruediger Schweitzer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...